Where can I watch Ben 10: Ultimate Alien for free?

Watch Ben 10: Ultimate Alien free in HD on Castle. Download the Castle App to stream all seasons and episodes with English audio — no subscription, no signup needed.

How many seasons of Ben 10: Ultimate Alien are available on Castle?

Castle has all 2 seasons of Ben 10: Ultimate Alien, with a total of 32 episodes streaming free in HD.

What languages is Ben 10: Ultimate Alien available in?

On Castle, Ben 10: Ultimate Alien is available in English, all in HD.

Who stars in Ben 10: Ultimate Alien?

Ben 10: Ultimate Alien stars Yuri Lowenthal, Ashley Johnson, Greg Cipes, Dee Bradley Baker.

When did Ben 10: Ultimate Alien first premiere?

Ben 10: Ultimate Alien premiered on 2011-02-04 and is now streaming free on Castle.

Is the Castle App safe to download?

Yes. The Castle APK is a verified safe file. It requires only basic Android permissions and does not need root access. Compatible with Android 6.0 and above.

Ben 10: Ultimate Alien

2011•32 epsIMDB 7.6

Crafted by Matt Youngberg, Ben 10: Ultimate Alien Season 2 brings Yuri Lowenthal back alongside Ashley Johnson in a chapter that refuses to slow down. Set against United States, the season unravels With his secret identity now revealed to the world, Ben Tennyson continues to fight evil as a superhero with the help of the newly acquired Ultimatrix. with cartoon storytelling across 32 episodes, exploring themes of cartoon in ways that elevate the series to new heights.